<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        width: 100vw;
        height: 100vh;
      }
      @media  (max-width: 960px) {
        body {
          background-color: rgb(39, 36, 187);
        }
      }
      @media  (max-width: 760px) {
        body {
          background-color: rgb(238, 178, 144);
        }
      }
      @media (max-width: 480px) {
        body {
          background-color: lightgreen;
        }
      }
      
    </style>
  </head>
  <body></body>
</html>
